From e12e84d224e7325743f0285d5dbdfe231a1c4a25 Mon Sep 17 00:00:00 2001
From: Waldek Mastykarz <waldek@mastykarz.nl>
Date: Thu, 5 Nov 2026 11:42:50 +0100
Subject: [PATCH] Return devProxy.crt filename for rootCertificate format=crt

Closes dotnet/dev-proxy#2068

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>
---
 DevProxy/ApiControllers/ProxyController.cs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/DevProxy/ApiControllers/ProxyController.cs b/DevProxy/ApiControllers/ProxyController.cs
index f85f5bf7..6416e649 100644
--- a/DevProxy/ApiControllers/ProxyController.cs
+++ b/DevProxy/ApiControllers/ProxyController.cs
@@ -124,7 +124,7 @@ public IActionResult GetRootCertificate([FromQuery][Required] string format)
         var pem = "-----BEGIN CERTIFICATE-----\n" + base64Cert + "\n-----END CERTIFICATE-----";
         var pemBytes = System.Text.Encoding.ASCII.GetBytes(pem);
 
-        return File(pemBytes, "application/x-x509-ca-cert", "devProxy.pem");
+        return File(pemBytes, "application/x-x509-ca-cert", "devProxy.crt");
     }
 
     [HttpGet("logs")]